Ubuntu下openvpn相关目录

  • /usr/share/openvpn/
ph@ph-ThinkBook-14-G2-ITL:/usr/share/openvpn$ tree
.
└── verify-cn0 directories, 1 file
  • /usr/share/doc/openvpn/
ph@ph-ThinkBook-14-G2-ITL:/usr/share/doc/openvpn$ tree
.
├── AUTHORS
├── changelog.Debian.gz
├── Changes.rst.gz
├── copyright
├── COPYRIGHT.GPL.gz
├── examples
│   ├── sample-config-files
│   │   ├── client.conf
│   │   ├── firewall.sh
│   │   ├── home.up
│   │   ├── loopback-client
│   │   ├── loopback-server
│   │   ├── office.up
│   │   ├── openvpn-shutdown.sh
│   │   ├── openvpn-startup.sh
│   │   ├── README
│   │   ├── server.conf
│   │   ├── tls-home.conf
│   │   ├── tls-office.conf
│   │   ├── xinetd-client-config
│   │   └── xinetd-server-config
│   ├── sample-keys
│   │   ├── ca.crt
│   │   ├── ca.key
│   │   ├── client.crt
│   │   ├── client-ec.crt
│   │   ├── client-ec.key
│   │   ├── client.key
│   │   ├── client.p12
│   │   ├── client-pass.key
│   │   ├── dh2048.pem
│   │   ├── gen-sample-keys.sh
│   │   ├── openssl.cnf
│   │   ├── README
│   │   ├── server.crt
│   │   ├── server-ec.crt
│   │   ├── server-ec.key
│   │   ├── server.key
│   │   └── ta.key
│   └── sample-scripts
│       ├── auth-pam.pl
│       ├── bridge-start
│       ├── bridge-stop
│       ├── ucn.pl
│       └── verify-cn
├── gui-notes.txt.gz
├── management-notes.txt.gz
├── NEWS.Debian.gz
├── openvpn.8.html
├── openvpn-examples.5.html
├── PORTS
├── README
├── README.auth-pam
├── README.Debian.gz
├── README.down-root
├── README.IPv6
├── README.mbedtls
└── README.systemd4 directories, 54 files
  • /etc/openvpn/
ph@ph-ThinkBook-14-G2-ITL:/etc/openvpn$ tree
.
├── client
├── server
└── update-resolv-conf2 directories, 1 file
  • /etc/NetworkManager/
ph@ph-ThinkBook-14-G2-ITL:/etc/NetworkManager$ tree
.
├── conf.d
│   └── default-wifi-powersave-on.conf
├── dispatcher.d
│   ├── 01-ifupdown
│   ├── no-wait.d
│   ├── pre-down.d
│   └── pre-up.d
├── dnsmasq.d
├── dnsmasq-shared.d
├── NetworkManager.conf
└── system-connections├── 13810450124.nmconnection├── CMCC-tzYy-5G-FAST-cfdb2b44-e9fd-48c6-b961-668344e7ad33.nmconnection├── CMCC-tzYy-5G-FAST.nmconnection├── CMCC-tzYy.nmconnection├── dingdao-office-053aad77-c42f-476f-9baf-033c5a91cdcf.nmconnection└── dingdao-office.nmconnection8 directories, 9 files
  • /usr/lib/openvpn/
ph@ph-ThinkBook-14-G2-ITL:~$ ls /usr/lib/openvpn/
openvpn-plugin-auth-pam.so  openvpn-plugin-down-root.so

Ubuntu下openvpn相关重要文件

  • /usr/sbin/openvpn
ph@ph-ThinkBook-14-G2-ITL:~$ ls -l /usr/sbin/openvpn
-rwxr-xr-x 1 root root 838080  7月 14 22:21 /usr/sbin/openvpn
  • /usr/share/doc/openvpn/examples/sample-config-files/server.conf
#################################################
# Sample OpenVPN 2.0 config file for            #
# multi-client server.                          #
#                                               #
# This file is for the server side              #
# of a many-clients <-> one-server              #
# OpenVPN configuration.                        #
#                                               #
# OpenVPN also supports                         #
# single-machine <-> single-machine             #
# configurations (See the Examples page         #
# on the web site for more info).               #
#                                               #
# This config should work on Windows            #
# or Linux/BSD systems.  Remember on            #
# Windows to quote pathnames and use            #
# double backslashes, e.g.:                     #
# "C:\\Program Files\\OpenVPN\\config\\foo.key" #
#                                               #
# Comments are preceded with '#' or ';'         #
################################################## Which local IP address should OpenVPN
# listen on? (optional)
;local a.b.c.d# Which TCP/UDP port should OpenVPN listen on?
# If you want to run multiple OpenVPN instances
# on the same machine, use a different port
# number for each one.  You will need to
# open up this port on your firewall.
port 1194# TCP or UDP server?
;proto tcp
proto udp# "dev tun" will create a routed IP tunnel,
# "dev tap" will create an ethernet tunnel.
# Use "dev tap0" if you are ethernet bridging
# and have precreated a tap0 virtual interface
# and bridged it with your ethernet interface.
# If you want to control access policies
# over the VPN, you must create firewall
# rules for the the TUN/TAP interface.
# On non-Windows systems, you can give
# an explicit unit number, such as tun0.
# On Windows, use "dev-node" for this.
# On most systems, the VPN will not function
# unless you partially or fully disable
# the firewall for the TUN/TAP interface.
;dev tap
dev tun# Windows needs the TAP-Win32 adapter name
# from the Network Connections panel if you
# have more than one.  On XP SP2 or higher,
# you may need to selectively disable the
# Windows firewall for the TAP adapter.
# Non-Windows systems usually don't need this.
;dev-node MyTap# SSL/TLS root certificate (ca), certificate
# (cert), and private key (key).  Each client
# and the server must have their own cert and
# key file.  The server and all clients will
# use the same ca file.
#
# See the "easy-rsa" directory for a series
# of scripts for generating RSA certificates
# and private keys.  Remember to use
# a unique Common Name for the server
# and each of the client certificates.
#
# Any X509 key management system can be used.
# OpenVPN can also use a PKCS #12 formatted key file
# (see "pkcs12" directive in man page).
ca ca.crt
cert server.crt
key server.key  # This file should be kept secret# Diffie hellman parameters.
# Generate your own with:
#   openssl dhparam -out dh2048.pem 2048
dh dh2048.pem# Network topology
# Should be subnet (addressing via IP)
# unless Windows clients v2.0.9 and lower have to
# be supported (then net30, i.e. a /30 per client)
# Defaults to net30 (not recommended)
;topology subnet# Configure server mode and supply a VPN subnet
# for OpenVPN to draw client addresses from.
# The server will take 10.8.0.1 for itself,
# the rest will be made available to clients.
# Each client will be able to reach the server
# on 10.8.0.1. Comment this line out if you are
# ethernet bridging. See the man page for more info.
server 10.8.0.0 255.255.255.0# Maintain a record of client <-> virtual IP address
# associations in this file.  If OpenVPN goes down or
# is restarted, reconnecting clients can be assigned
# the same virtual IP address from the pool that was
# previously assigned.
ifconfig-pool-persist /var/log/openvpn/ipp.txt# Configure server mode for ethernet bridging.
# You must first use your OS's bridging capability
# to bridge the TAP interface with the ethernet
# NIC interface.  Then you must manually set the
# IP/netmask on the bridge interface, here we
# assume 10.8.0.4/255.255.255.0.  Finally we
# must set aside an IP range in this subnet
# (start=10.8.0.50 end=10.8.0.100) to allocate
# to connecting clients.  Leave this line commented
# out unless you are ethernet bridging.
;server-bridge 10.8.0.4 255.255.255.0 10.8.0.50 10.8.0.100# Configure server mode for ethernet bridging
# using a DHCP-proxy, where clients talk
# to the OpenVPN server-side DHCP server
# to receive their IP address allocation
# and DNS server addresses.  You must first use
# your OS's bridging capability to bridge the TAP
# interface with the ethernet NIC interface.
# Note: this mode only works on clients (such as
# Windows), where the client-side TAP adapter is
# bound to a DHCP client.
;server-bridge# Push routes to the client to allow it
# to reach other private subnets behind
# the server.  Remember that these
# private subnets will also need
# to know to route the OpenVPN client
# address pool (10.8.0.0/255.255.255.0)
# back to the OpenVPN server.
;push "route 192.168.10.0 255.255.255.0"
;push "route 192.168.20.0 255.255.255.0"# To assign specific IP addresses to specific
# clients or if a connecting client has a private
# subnet behind it that should also have VPN access,
# use the subdirectory "ccd" for client-specific
# configuration files (see man page for more info).# EXAMPLE: Suppose the client
# having the certificate common name "Thelonious"
# also has a small subnet behind his connecting
# machine, such as 192.168.40.128/255.255.255.248.
# First, uncomment out these lines:
;client-config-dir ccd
;route 192.168.40.128 255.255.255.248
# Then create a file ccd/Thelonious with this line:
#   iroute 192.168.40.128 255.255.255.248
# This will allow Thelonious' private subnet to
# access the VPN.  This example will only work
# if you are routing, not bridging, i.e. you are
# using "dev tun" and "server" directives.# EXAMPLE: Suppose you want to give
# Thelonious a fixed VPN IP address of 10.9.0.1.
# First uncomment out these lines:
;client-config-dir ccd
;route 10.9.0.0 255.255.255.252
# Then add this line to ccd/Thelonious:
#   ifconfig-push 10.9.0.1 10.9.0.2# Suppose that you want to enable different
# firewall access policies for different groups
# of clients.  There are two methods:
# (1) Run multiple OpenVPN daemons, one for each
#     group, and firewall the TUN/TAP interface
#     for each group/daemon appropriately.
# (2) (Advanced) Create a script to dynamically
#     modify the firewall in response to access
#     from different clients.  See man
#     page for more info on learn-address script.
;learn-address ./script# If enabled, this directive will configure
# all clients to redirect their default
# network gateway through the VPN, causing
# all IP traffic such as web browsing and
# and DNS lookups to go through the VPN
# (The OpenVPN server machine may need to NAT
# or bridge the TUN/TAP interface to the internet
# in order for this to work properly).
;push "redirect-gateway def1 bypass-dhcp"# Certain Windows-specific network settings
# can be pushed to clients, such as DNS
# or WINS server addresses.  CAVEAT:
# http://openvpn.net/faq.html#dhcpcaveats
# The addresses below refer to the public
# DNS servers provided by opendns.com.
;push "dhcp-option DNS 208.67.222.222"
;push "dhcp-option DNS 208.67.220.220"# Uncomment this directive to allow different
# clients to be able to "see" each other.
# By default, clients will only see the server.
# To force clients to only see the server, you
# will also need to appropriately firewall the
# server's TUN/TAP interface.
;client-to-client# Uncomment this directive if multiple clients
# might connect with the same certificate/key
# files or common names.  This is recommended
# only for testing purposes.  For production use,
# each client should have its own certificate/key
# pair.
#
# IF YOU HAVE NOT GENERATED INDIVIDUAL
# CERTIFICATE/KEY PAIRS FOR EACH CLIENT,
# EACH HAVING ITS OWN UNIQUE "COMMON NAME",
# UNCOMMENT THIS LINE OUT.
;duplicate-cn# The keepalive directive causes ping-like
# messages to be sent back and forth over
# the link so that each side knows when
# the other side has gone down.
# Ping every 10 seconds, assume that remote
# peer is down if no ping received during
# a 120 second time period.
keepalive 10 120# For extra security beyond that provided
# by SSL/TLS, create an "HMAC firewall"
# to help block DoS attacks and UDP port flooding.
#
# Generate with:
#   openvpn --genkey tls-auth ta.key
#
# The server and each client must have
# a copy of this key.
# The second parameter should be '0'
# on the server and '1' on the clients.
tls-auth ta.key 0 # This file is secret# Select a cryptographic cipher.
# This config item must be copied to
# the client config file as well.
# Note that v2.4 client/server will automatically
# negotiate AES-256-GCM in TLS mode.
# See also the ncp-cipher option in the manpage
cipher AES-256-CBC# Enable compression on the VPN link and push the
# option to the client (v2.4+ only, for earlier
# versions see below)
;compress lz4-v2
;push "compress lz4-v2"# For compression compatible with older clients use comp-lzo
# If you enable it here, you must also
# enable it in the client config file.
;comp-lzo# The maximum number of concurrently connected
# clients we want to allow.
;max-clients 100# It's a good idea to reduce the OpenVPN
# daemon's privileges after initialization.
#
# You can uncomment this out on
# non-Windows systems.
;user nobody
;group nobody# The persist options will try to avoid
# accessing certain resources on restart
# that may no longer be accessible because
# of the privilege downgrade.
persist-key
persist-tun# Output a short status file showing
# current connections, truncated
# and rewritten every minute.
status /var/log/openvpn/openvpn-status.log# By default, log messages will go to the syslog (or
# on Windows, if running as a service, they will go to
# the "\Program Files\OpenVPN\log" directory).
# Use log or log-append to override this default.
# "log" will truncate the log file on OpenVPN startup,
# while "log-append" will append to it.  Use one
# or the other (but not both).
;log         /var/log/openvpn/openvpn.log
;log-append  /var/log/openvpn/openvpn.log# Set the appropriate level of log
# file verbosity.
#
# 0 is silent, except for fatal errors
# 4 is reasonable for general usage
# 5 and 6 can help to debug connection problems
# 9 is extremely verbose
verb 3# Silence repeating messages.  At most 20
# sequential messages of the same message
# category will be output to the log.
;mute 20# Notify the client that when the server restarts so it
# can automatically reconnect.
  • /usr/share/doc/openvpn/examples/sample-config-files/client.conf
##############################################
# Sample client-side OpenVPN 2.0 config file #
# for connecting to multi-client server.     #
#                                            #
# This configuration can be used by multiple #
# clients, however each client should have   #
# its own cert and key files.                #
#                                            #
# On Windows, you might want to rename this  #
# file so it has a .ovpn extension           #
############################################### Specify that we are a client and that we
# will be pulling certain config file directives
# from the server.
client# Use the same setting as you are using on
# the server.
# On most systems, the VPN will not function
# unless you partially or fully disable
# the firewall for the TUN/TAP interface.
;dev tap
dev tun# Windows needs the TAP-Win32 adapter name
# from the Network Connections panel
# if you have more than one.  On XP SP2,
# you may need to disable the firewall
# for the TAP adapter.
;dev-node MyTap# Are we connecting to a TCP or
# UDP server?  Use the same setting as
# on the server.
;proto tcp
proto udp# The hostname/IP and port of the server.
# You can have multiple remote entries
# to load balance between the servers.
remote my-server-1 1194
;remote my-server-2 1194# Choose a random host from the remote
# list for load-balancing.  Otherwise
# try hosts in the order specified.
;remote-random# Keep trying indefinitely to resolve the
# host name of the OpenVPN server.  Very useful
# on machines which are not permanently connected
# to the internet such as laptops.
resolv-retry infinite# Most clients don't need to bind to
# a specific local port number.
nobind# Downgrade privileges after initialization (non-Windows only)
;user nobody
;group nobody# Try to preserve some state across restarts.
persist-key
persist-tun# If you are connecting through an
# HTTP proxy to reach the actual OpenVPN
# server, put the proxy server/IP and
# port number here.  See the man page
# if your proxy server requires
# authentication.
;http-proxy-retry # retry on connection failures
;http-proxy [proxy server] [proxy port #]# Wireless networks often produce a lot
# of duplicate packets.  Set this flag
# to silence duplicate packet warnings.
;mute-replay-warnings# SSL/TLS parms.
# See the server config file for more
# description.  It's best to use
# a separate .crt/.key file pair
# for each client.  A single ca
# file can be used for all clients.
ca ca.crt
cert client.crt
key client.key# Verify server certificate by checking that the
# certificate has the correct key usage set.
# This is an important precaution to protect against
# a potential attack discussed here:
#  http://openvpn.net/howto.html#mitm
#
# To use this feature, you will need to generate
# your server certificates with the keyUsage set to
#   digitalSignature, keyEncipherment
# and the extendedKeyUsage to
#   serverAuth
# EasyRSA can do this for you.
remote-cert-tls server# If a tls-auth key is used on the server
# then every client must also have the key.
tls-auth ta.key 1# Select a cryptographic cipher.
# If the cipher option is used on the server
# then you must also specify it here.
# Note that v2.4 client/server will automatically
# negotiate AES-256-GCM in TLS mode.
# See also the data-ciphers option in the manpage
cipher AES-256-CBC# Enable compression on the VPN link.
# Don't enable this unless it is also
# enabled in the server config file.
#comp-lzo# Set log file verbosity.
verb 3# Silence repeating messages
;mute 20
  • /etc/NetworkManager/system-connections/CMCC-tzYy-5G-FAST.nmconnection
[connection]
id=CMCC-tzYy-5G-FAST
uuid=da8cdcbd-f779-4980-86bd-5b4ab0472026
type=wifi
interface-name=wlp0s20f3[wifi]
mode=infrastructure
ssid=CMCC-tzYy-5G-FAST[wifi-security]
auth-alg=open
key-mgmt=wpa-psk
psk=zccuy7fb[ipv4]
method=auto[ipv6]
addr-gen-mode=stable-privacy
method=auto[proxy]
  • /etc/NetworkManager/system-connections/CMCC-tzYy-5G-FAST-cfdb2b44-e9fd-48c6-b961-668344e7ad33.nmconnection
[connection]
id=CMCC-tzYy-5G-FAST
uuid=cfdb2b44-e9fd-48c6-b961-668344e7ad33
type=wifi
interface-name=wlp0s20f3[wifi]
mode=infrastructure
ssid=CMCC-tzYy-5G-FAST[wifi-security]
auth-alg=open
key-mgmt=wpa-psk
psk=zccuy7fb[ipv4]
method=auto[ipv6]
addr-gen-mode=stable-privacy
method=auto[proxy]

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